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Page 8 – Alarm Conditions



Notes:

1. These are read only registers.

2. This is the old alarm system, for 72x/73xx and 8xxx/74xx families page 154 should be used instead.

3. Each alarm can be in one of 15 conditions as shown in the table below.

4. Registers 1-32 contain the status of named, internally generated, alarms and indications. These may be extended by future versions of GenComm and any software that reads them must be able to cope with such extensions. This is possible because register 0 specifies the number of pre-defined internal alarm conditions that are implemented on a slave device, the software should read and process the specified number. The software does not need to know the definitions of any new alarms since it can read the alarms strings and display them as specified by the alarm condition. All unimplemented pre-defined alarms return the unimplemented value 15, not an exception.

5. Registers 129-160 contain the status of unnamed digital inputs. Register 128 specifies the number of unnamed digital inputs and any software that reads them must be able to cope with all 128 in the same way as for the pre-defined alarms. All unimplemented digital inputs up to 128 will return the unimplemented value 15, not an exception.

6. Each alarm has 2 strings in pages 32-95 which can be displayed on a PC for example, the alarm code specifies which string it is appropriate to display.

7. The contents of alarm strings will never change while the slave device is operating so a copy can be held by the master to minimise traffic.

Registers

Register offset Name Minimum value Maximum value Bits/ Sign
0 Number of named alarms 97 128 16
1 Emergency stop 0 15 13/16-16/16
  Low oil pressure 0 15 9/16-12/16
  High coolant temperature 0 15 5/16-8/16
  High oil temperature 0 15 1/16-4/16
2 Under speed 0 15 13/16-16/16
  Over speed 0 15 9/16-12/16
  Fail to start 0 15 5/16-8/16
  Fail to come to rest 0 15 1/16-4/16
3 Loss of speed sensing 0 15 13/16-16/16
  Generator low voltage 0 15 9/16-12/16
  Generator high voltage 0 15 5/16-8/16
  Generator low frequency 0 15 1/16-4/16
4 Generator high frequency 0 15 13/16-16/16
  Generator high current 0 15 9/16-12/16
  Generator earth fault 0 15 5/16-8/16
  Generator reverse power 0 15 1/16-4/16
5 Air flap 0 15 13/16-16/16
  Oil pressure sender fault 0 15 9/16-12/16
  Coolant temperature sender fault 0 15 5/16-8/16
  Oil temperature sender fault 0 15 1/16-4/16
6 Fuel level sender fault 0 15 13/16-16/16
  Magnetic pickup fault 0 15 9/16-12/16
  Loss of AC speed signal 0 15 5/16-8/16
  Charge alternator failure 0 15 1/16-4/16
7 Low battery voltage 0 15 13/16-16/16
  High battery voltage 0 15 9/16-12/16
  Low fuel level 0 15 5/16-8/16
  High fuel level 0 15 1/16-4/16

 

 

Page 8 registers continued

8 Generator failed to close 0

15

13/16-16/16
  Mains failed to close 0

15

9/16-12/16
  Generator failed to open 0

15

5/16-8/16
  Mains failed to open 0

15

1/16-4/16
9 Mains low voltage 0

15

13/16-16/16
  Mains high voltage 0

15

9/16-12/16
  Bus failed to close 0

15

5/16-8/16
  Bus failed to open 0

15

1/16-4/16
10 Mains low frequency 0

15

13/16-16/16
  Mains high frequency 0

15

9/16-12/16
  Mains failed 0

15

5/16-8/16
  Mains phase rotation wrong 0

15

1/16-4/16
11 Generator phase rotation wrong 0

15

13/16-16/16
  Maintenance due 0

15

9/16-12/16
  Clock not set 0

15

5/16-8/16
  Local LCD configuration lost 0

15

1/16-4/16
12 Local telemetry configuration lost 0

15

13/16-16/16
  Control unit not calibrated 0

15

9/16-12/16
  Modem power fault 0

15

5/16-8/16
  Generator short circuit 0

15

1/16-4/16
13 Failure to synchronise 0

15

13/16-16/16
  Bus live 0

15

9/16-12/16
  Scheduled run 0

15

5/16-8/16
  Bus phase rotation wrong 0

15

1/16-4/16
14 Priority selection error 0 15

13/16-16/16

  Multiset communications (MSC) data error 0 15

9/16-12/16

  Multiset communications (MSC) ID error 0 15

5/16-8/16

  Multiset communications (MSC) failure 0 15

1/16-4/16

15 Multiset communications (MSC) too few sets 0 15

13/16-16/16

  Multiset communications (MSC) alarms inhibited 0 15

9/16-12/16

  Multiset communications (MSC) old version units 0 15

5/16-8/16

  Mains reverse power 0 15

1/16-4/16

16 Minimum sets not reached 0 15

13/16-16/16

  Insufficient capacity available 0 15

9/16-12/16

  Expansion input unit not calibrated 0 15

5/16-8/16

  Expansion input unit failure 0 15

1/16-4/16

17 Auxiliary sender 1 low 0 15

13/16-16/16

  Auxiliary sender 1 high 0 15

9/16-12/16

  Auxiliary sender 1 fault 0 15

5/16-8/16

  Auxiliary sender 2 low 0 15

1/16-4/16

18 Auxiliary sender 2 high 0 15

13/16-16/16

  Auxiliary sender 2 fault 0 15

9/16-12/16

  Auxiliary sender 3 low 0 15

5/16-8/16

  Auxiliary sender 3 high 0 15

1/16-4/16

19 Auxiliary sender 3 fault 0 15

13/16-16/16

  Auxiliary sender 4 low 0 15

9/16-12/16

  Auxiliary sender 4 high 0 15

5/16-8/16

  Auxiliary sender 4 fault 0 15

1/16-4/16

20 Engine control unit (ECU) link lost 0 15

13/16-16/16

  Engine control unit (ECU) failure 0 15

9/16-12/16

  Engine control unit (ECU) error 0 15

5/16-8/16

  Low coolant temperature 0 15

1/16-4/16

21 Out of sync 0 15

13/16-16/16

  Low Oil Pressure Switch 0 15

9/16-12/16

  Alternative Auxiliary Mains Fail 0 15

5/16-8/16

  Loss of excitation 0 15

1/16-4/16

           

 

 







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